1
Create an app password
Create one under Account security in your Yahoo account. Yahoo explains how in Generate and manage 3rd-party app passwords. Give it a name you’ll recognize later, such as “Billpal”, and copy it.
2
Choose Yahoo
In Billpal, go to Settings > Email, click Add, and choose Yahoo.
3
Enter your details
In Connect Yahoo, enter your Yahoo address under Email and paste the password you just created under App password. Display name sets what the inbox is called in Billpal.
4
Set the start date and connect
Use Start date to choose how far back Billpal imports documents. If you send your own invoices by email, also check Also import invoices from your Sent folder. Then click Connect.